Clinical anatomy : official journal of the American Association of Clinical Anatomists & the British Association of Clinical Anatomists
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The rise of evidence-based anatomy has emphasized the need for original anatomical studies with high clarity, transparency, and comprehensiveness in reporting. Currently, inconsistencies in the quality and reporting of such studies have placed limits on accurate reliability and impact assessment. Our aim was to develop a checklist of reporting items that should be addressed by authors of original anatomical studies. ⋯ The steering committee hopes the AQUA Checklist will improve the quality and reporting of anatomical studies. Clin. Anat. 30:14-20, 2017. © 2016 Wiley Periodicals, Inc.
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The classical recommendation for paramedian approaches is needle insertion 1-2 cm paramedian and an angle of 10°-15° medial-cephalad to the plane of the back, but contact with vertebrae is frequent. A mathematical approach to individualizing punctures is proposed on the basis of skin-dural sac distance (d): Optimal angle ∼ inverse cosine [d/ √(1+d^2) ] and the distance covered by the needle ∼ √(1+d^2) for 1 cm paramedian punctures. The inferred angles were compared to optimal angles leading to the central dorsal part of the dural sac from 1 to 2 cm paramedian, measured by Magnetic Resonance Imaging (MRI) in seven cases and in a short stature volunteer (1.58 m, Body Mass Index (BMI) 23.2), to study supine and fetal positions using both closed MR and ultrasound. ⋯ The classically recommended angles of 10°-15° differ from the optimal angles, particularly in small patients, suggesting the need for ultrasound guidance or for inferring angles prior to spinal anesthesia. Clin. Anat. 29:1046-1052, 2016. © 2016 Wiley Periodicals, Inc.
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Cricothyroidotomy is a surgical procedure involving penetration through the skin and cricothyroid membrane to maintain airway patency during life-threatening emergency conditions. Complications such as bleeding and laryngeal stenosis can result from it. Our aim in this study was to identify the anatomical structures located on the membrane and to ascertain whether there is a safe area on the membrane for this procedure. ⋯ Needle puncture or cannulation through the lower right quadrant of the cricothyroid membrane will injure fewer anatomical structures so there should be fewer complications due to degradation of the vascular supply to this region. Clin. Anat. 29:949-954, 2016. © 2016 Wiley Periodicals, Inc.
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Review Historical Article
An unwritten anatomy lesson: The influence of Roman clothing on neuroanatomical terminology: In memoriam Albert L. Rhoton, Jr. (1932-2016).
Throughout the centuries, anatomists attempting to denominate the new structures they discovered have found inspiration in the civilization of ancient Rome and the clothing worn by its citizens. This aricle presents the origins of seven neuroanatomical terms, fimbria, velum, funiculus, lemniscus, corona, splenium, and cingulum, inspired by the clothing and jewellery of Roman women and the military attire of Roman soldiers. ⋯ Clin. Anat. 29:685-690, 2016. © 2016 Wiley Periodicals, Inc.
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Case Reports
Subparaneurial ganglion cysts of the fibular and tibial nerves: A new variant of intraneural ganglion cysts.
Over the last decade, the mechanism of formation of intraneural ganglion cysts has been established through a meticulous review of clinical findings and correlation with patterns produced on magnetic resonance imaging (MRI). Pathognomonic imaging patterns distinguish these rare lesions from the more common extraneural variants in almost all cases. In this report, we present a new pattern of cyst occurrence in the subparaneurial compartment of the nerve and provide potential anatomic explanations for its pathogenesis. ⋯ Three cases out of 80 in the literature exhibited the new complex lobulated MRI pattern. We present a new pattern of intraneural ganglion cyst occurrence in a potential space that surrounds peripheral nerves--the subparaneurial compartment. We believe that the unifying articular theory applies to the pathogenesis and management of these rare variants.